# include<iostream> # include<cmath> using namespace std; int main(){ int a,b,c,d; cin>>a>>b>>c; d=0; if((a%4==0 && a%100!=0)||(a%400==0)){ d+=1; } if((b%4==0 && b%100!=0)||(b%400==0)){ d+=1; } if((c%4==0 && c%100!=0)||(c%400==0)){ d+=1; cout<<d; } return 0; }